div{
    border: 0px solid red;
    margin: 0px auto;

}
._studyList{
    width: 1100px;
    min-height: 600px;
position: relative;
}
._defaultList {
    position: relative;
    height: 50px;

}

ul li{
    list-style-type: none;
}
._list{
    position: absolute;
    margin-top: 10px;
    margin-left: 0px;
    font-size: 30px;
}
._list1{
    position: absolute;
    margin-top: 13px;
    margin-left: 0px;
    font-size: 19px;
    height: 30px;

}
._review{
    position: absolute;
    margin-left: 860px;
    margin-top: 23px;
    font-size: 18px;
}
._review_change {
    position: absolute;
    margin-left: 860px;
    margin-top: 13px;
    color: red;
    font-size: 18px;
}
._new{
    position: absolute;
    margin-left: 760px;
    margin-top: 23px;
    font-size: 18px;
}
._new_change {
    position: absolute;
    margin-left: 760px;
    margin-top: 13px;
    color: blue;
    font-size: 18px;
}
._pull_down{
    position: absolute;
    margin-left: 950px;
    margin-top: 8px;
}
._newbuild{
    position: absolute;
   text-align: center;
    width: 1100px;
    bottom: 50px;
    
    font-size: 30px;
}